Email-based newsletters are intriguing; they seem to have great signal/noise ratios. Besides Javascript Weekly, I've been enjoying Dave Pell's NextDraft to be a great, smart view of the news. Recently, Shaun McGill (formerly of the nice Lost in Mobile blog) has thrown his hat into the ring with TiQ (timely. interesting. quick.) promising 5 tech items and 5 more general things every day.

(McGill's How Did We Get to the iPhone essay (formerly on the web, now a cheap Kindle buy) is brilliant, and while I'll always look fondly back on the Palm, I now regret not having jumped on the Psion when it was around...)